14x18x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack veg nutrients - Carbon Filter for odor

- Carbon Filter for odor free exhaust

Your plants will thank you with bountiful harvest and superior quality

The enhanced DE technology will give your garden the most optimal blue spectrum available on the market today

and any air system that requires half-inch (1/2") air condition filters

This process begins when you apply BotryStop WP spores to dead and senescent plant debris

14x18x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack veg nutrients - Carbon Filter for odorNordic Pure Custom MERV 7 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition